Moon texture is bad

[gwaldron]

Describe the bug The texture on the moon is stretched over half of its surface. Looks like bad texture coordinates.

To Reproduce Steps to reproduce the behavior:

1. osgearth_imgui readymap.earth --sky
2. Look for the moon and bear witness

Expected behavior A clear and concise description of what you expected to happen.

Screenshots

Desktop (please complete the following information):

• OS: Windows 11